linux-hardening - Re: [PATCH] gcc-plugins: drop -std=gnu++11 to fix GCC 13 build

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Date:   Thu,  2 Feb 2023 18:49:55 +0000
From:   Kees Cook <keescook@...omium.org>
To:     sam@...too.org, linux-hardening@...r.kernel.org
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gcc-plugins: drop -std=gnu++11 to fix GCC 13 build

On Wed, 1 Feb 2023 23:00:09 +0000, Sam James wrote:
> The latest GCC 13 snapshot (13.0.1 20230129) gives the following:
> ```
> cc1: error: cannot load plugin ./scripts/gcc-plugins/randomize_layout_plugin.so
>  :./scripts/gcc-plugins/randomize_layout_plugin.so: undefined symbol: tree_code_type
> ```
> 
> This ends up being because of https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=b0241ce6e37031
> upstream in GCC which changes the visibility of some types used by the kernel's
> plugin infrastructure like tree_code_type.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] gcc-plugins: drop -std=gnu++11 to fix GCC 13 build
      https://git.kernel.org/kees/c/5a6b64adc18d

-- 
Kees Cook